CN104527394A - Flexible support used for diesel engine - Google Patents
Flexible support used for diesel engine Download PDFInfo
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- CN104527394A CN104527394A CN201410795486.2A CN201410795486A CN104527394A CN 104527394 A CN104527394 A CN 104527394A CN 201410795486 A CN201410795486 A CN 201410795486A CN 104527394 A CN104527394 A CN 104527394A
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- 238000002485 combustion reaction Methods 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 6
- 238000013016 damping Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
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Abstract
The invention relates to internal combustion engines and provides a flexible support used for a diesel engine. The flexible support used for the diesel engine aims at solving the problem that an existing supporting system of the diesel engine can not effectively restrain vibration. The flexible support comprises a first sliding rail, a second sliding rail, a third sliding rail, a fourth sliding rail, a first sliding block, a second sliding block, a third sliding block, a fourth sliding block, elastic components, a first connection rod, a second connection rod, a third connection rod and a fourth connection rod, wherein the first sliding rail, the second sliding rail, the third sliding rail and the fourth sliding rail are fixed on a vehicle frame; the first sliding block, the second sliding block, the third sliding block, the fourth sliding block and the elastic components are arranged in the sliding rails respectively; the first connection rod, the second connection rod, the third connection rod and the fourth connection rod connect the sliding blocks with the diesel engine. By the adoption of the structure, vibration of the diesel engine in the vertical direction is converted to horizontal sliding of the sliding blocks along the sliding rails, the horizontal sliding is greatly attenuated by the elastic components on the two sides of the sliding rails, and therefore transmission of vibration of the diesel engine to the vehicle frame and a passenger cabin is effectively restrained, and the NVH characteristic of motor vehicles is improved.
Description
Technical field
The present invention relates to explosive motor, a kind of flexible support for diesel engine is specifically provided.
Background technology
The vibration of the single-row cylinder arrangement diesel engine of diesel engine-especially mainly piston pumping in cylinder causes.Correspondingly, the vibration of diesel engine also main manifestations be shake vertically.When this shake is delivered in main cabin, can significantly increases the noise that member can hear and the vibration experienced, have a strong impact on NVH characteristic and the riding experience of vehicle.
Existing diesel engine supporting construction isolates diesel vibration mainly through analogues such as vibration damping rubber cushions, and the vibration be delivered in main cabin is farthest reduced.But the vibration suppressioning effect of this isolation method is very limited, and along with increasing the tenure of use of self-propelled vehicle, vibration damping rubber cushion can even lose efficacy in deterioration, thus caused increasingly being deteriorated to the inhibition of diesel vibration and noise.
Therefore, a kind of novel diesel engine support system of exploitation is needed effectively to suppress even to eliminate the vibration of diesel engine.
Summary of the invention
The present invention is intended to solve the problem.Specifically, the present invention is intended to the problem that solution existing diesel support system effectively cannot suppress diesel vibration.
For this purpose, the invention provides a kind of flexible support for diesel engine.This flexible support comprises: the first slide rail, second slide rail, 3rd slide rail and the 4th slide rail, the vehicle frame that described first slide rail is fixed to self-propelled vehicle comprises the first outer elastic component and the first inner elastic member that are arranged on wherein, described second slide rail to be also fixed on described vehicle frame and to comprise the second outer elastic component and the second inner elastic member that are arranged on wherein, described 3rd slide rail to be also fixed on described vehicle frame and to comprise the 3rd outer elastic component and the 3rd inner elastic member that are arranged on wherein, described 4th slide rail to be also fixed on described vehicle frame and comprise be arranged on wherein the 4th outside elastic component and the 4th inner elastic member, first slide block, second slide block, 3rd slide block and Four-slider, described first slide block to be arranged in described first slide rail and between described first outer elastic component and described first inner elastic member and against these two elastic components, described second slide block to be arranged in described second slide rail and between described second outer elastic component and described second inner elastic member and against these two elastic components, described 3rd slide block to be arranged in described 3rd slide rail and between described 3rd outer elastic component and described 3rd inner elastic member and against these two elastic components, described Four-slider to be arranged in described 4th slide rail and between elastic component and described 4th inner elastic member and against these two elastic components outside the described 4th, and first connecting rod, second connecting rod, third connecting rod and double leval jib, the first end of described first connecting rod is movably attached to the top of described diesel engine and its second end is movably attached on described first slide block, the first end of described second connecting rod is movably attached to the top of described diesel engine and its second end is movably attached on described second slide block, the first end of described third connecting rod is movably attached to the top of described diesel engine and its second end is movably attached on described 3rd slide block, the first end of described double leval jib is movably attached to the top of described diesel engine and its second end is movably attached on described Four-slider, the first end of the first end of the described first connecting rod point of connection on the top of described diesel engine and described third connecting rod is opposed at the point of connection on the top of described diesel engine, the first end of the first end of the described second connecting rod point of connection on the top of described diesel engine and described double leval jib is opposed at the point of connection on the top of described diesel engine, the line of centers of wherein said first slide rail and the centerline parallel of described 3rd slide rail or conllinear and the centerline parallel of the line of centers of described second slide rail and described 4th slide rail or conllinear, described diesel engine is made to be suspended on described vehicle frame by described flexible support, wherein said first outer elastic component, described first inner elastic member, described second outer elastic component, described second inner elastic member, described 3rd outer elastic component, described 3rd inner elastic member, at least one outside described 4th in elastic component and described 4th inner elastic member is spring or rubber.In addition, described flexible support also comprises: the 5th slide rail, 6th slide rail, 7th slide rail and the 8th slide rail, described 5th slide rail to be fixed on described vehicle frame and to comprise the 5th outer elastic component and the 5th inner elastic member that are arranged on wherein, described 6th slide rail to be also fixed on described vehicle frame and to comprise the 6th outer elastic component and the 6th inner elastic member that are arranged on wherein, described 7th slide rail to be also fixed on described vehicle frame and to comprise the 7th outer elastic component and the 7th inner elastic member that are arranged on wherein, described 8th slide rail to be also fixed on described vehicle frame and to comprise the 8th outer elastic component and the 8th inner elastic member that are arranged on wherein, 5th slide block, 6th slide block, 7th slide block and the 8th slide block, described 5th slide block to be arranged in described 5th slide rail and between described 5th outer elastic component and described 5th inner elastic member and against these two elastic components, described 6th slide block to be arranged in described 6th slide rail and between described 6th outer elastic component and described 6th inner elastic member and against these two elastic components, described 7th slide block to be arranged in described 7th slide rail and between described 7th outer elastic component and described 7th inner elastic member and against these two elastic components, described 8th slide block to be arranged in described 8th slide rail and between described 8th outer elastic component and described 8th inner elastic member and against these two elastic components, and the 5th connecting rod, six-bar linkage, seven-link assembly and the 8th connecting rod, the first end of described 5th connecting rod is movably attached to the bottom of described diesel engine and its second end is movably attached on described 5th slide block, the first end of described six-bar linkage is movably attached to the bottom of described diesel engine and its second end is movably attached on described 6th slide block, the first end of described seven-link assembly is movably attached to the bottom of described diesel engine and its second end is movably attached on described 7th slide block, the first end of described 8th connecting rod is movably attached to the bottom of described diesel engine and its second end is movably attached on described 8th slide block, the line of centers of wherein said 5th slide rail and the centerline parallel of described 7th slide rail or conllinear and the centerline parallel of the line of centers of described 6th slide rail and described 8th slide rail or conllinear, described diesel engine is hanged by described flexible support be held on described vehicle frame.
Those skilled in the art it is easily understood that, when adopting said structure, diesel engine is suspended on vehicle frame by the assembly at top on the one hand, on the other hand by the modular support of bottom on vehicle frame, diesel engine vibration vertically or shake are converted into top and the horizontal slip of base slider in corresponding slide rail, and the elastic component that this horizontal slip is arranged on slide rail both sides is significantly decayed, thus effectively inhibit diesel vibration to the transmission in vehicle frame and main cabin, improve NVH characteristic and the riding experience of self-propelled vehicle.It should be pointed out that the present invention does not adopt the vibration isolating device of such as vibration damping rubber cushion and so on, but adopt slide block and slide rail that the vertical motion of diesel engine is converted into horizontal slip dexterously.The effectiveness in vibration suppression that the mode of this " dredging " obtains obviously is better than " intercepting " isolation method of prior art.According to the observed data of contriver, for same diesel engine, under the rotating speed of 800rpm, 1500rpm and 3000rpm, the noise in main cabin and vibration are decreased 25%, 50% and 37% by flexible support of the present invention respectively compared with vibration damping rubber cushion.Spring most preferably adopt spring as described elastic component, because obviously will be better than rubber to the damping capacity of skid and durability.
In the preferred implementation of above-mentioned flexible support, the rigidity of described first inner elastic member is greater than the rigidity of described first outer elastic component, the rigidity of described second inner elastic member is greater than the rigidity of described second outer elastic component, the rigidity of described 3rd inner elastic member is greater than the rigidity of described 3rd outer elastic component, and the rigidity of described 4th inner elastic member is greater than the rigidity of elastic component outside the described 4th, and described first outer elastic component and described second outer elastic component, the equal stiffness of elastic component outside described 3rd outer elastic component and the described 4th, and described first inner elastic member and described second inner elastic member, the equal stiffness of described 3rd inner elastic member and described 4th inner elastic member.
Those skilled in the art it is easily understood that, when diesel engine is suspended on vehicle frame by flexible support of the present invention, the weight of diesel engine is born primarily of inner elastic member, therefore, the rigidity of described inner elastic member sufficiently supports the weight of diesel engine, also needs to reserve the lower row amplitude of enough strokes for diesel engine of decaying simultaneously.So the rigidity of described inner elastic member must be greater than the rigidity of outer elastic component, design parameter then needs to set pointedly according to application.
In the preferred implementation of above-mentioned flexible support, elastic force or the rigidity of described first inner elastic member, described second inner elastic member, described 3rd inner elastic member and described 4th inner elastic member are arranged to, make when described diesel engine is suspended on described vehicle frame by described flexible support, described first connecting rod, second connecting rod, the angle of third connecting rod and between double leval jib and horizontal surface are less than or equal to 20 degree.According to the experimental result of contriver, when other conditions are identical, when diesel engine is suspended on vehicle frame by flexible support of the present invention, if the angle between described connecting rod and horizontal surface is at about 20 degree, then effectiveness in vibration suppression is best.This is because, under this angle, both can ensure that the vertical motion of diesel engine was converted into rapidly the horizontal slip of slide block, and be unlikely to again to cause diesel engine to occur rocking because of the elastic force of elastic component.
In the preferred implementation of above-mentioned flexible support, described first connecting rod, second connecting rod, third connecting rod and the flexible connection between double leval jib and the top of described diesel engine and described first connecting rod, second connecting rod, third connecting rod and double leval jib are all that bulb is connected with described first slide block, the flexible connection of the second slide block, the 3rd between slide block and Four-slider.
Those skilled in the art it is easily understood that, when adopting bulb to connect, described connecting rod is larger relative to the freedom of movement of diesel engine and slide block, this makes on the one hand the vertical motion of diesel engine to be swiftly delivered on slide block and is converted into the horizontal slip of slide block, can adapt to again on the other hand because assembling or manufacture the error caused.
In the preferred implementation of above-mentioned flexible support, the first end of described first connecting rod, second connecting rod, third connecting rod and double leval jib is provided with bulb, four angles at the top of the body of described diesel engine are respectively arranged with ball-and-socket, and described bulb is correspondingly arranged in described ball-and-socket respectively in assembled state.Alternatively, ball-and-socket can be arranged on the first end of described connecting rod, and bulb can be arranged on four angles at the top of the body of diesel engine.
In the preferred implementation of above-mentioned flexible support, second end of described first connecting rod, second connecting rod, third connecting rod and double leval jib is also provided with bulb, described first slide block, the second slide block, the 3rd slide block and Four-slider on the inclined-plane of described diesel engine, be respectively arranged with ball-and-socket, described bulb is correspondingly arranged in described ball-and-socket respectively in assembled state.Alternatively, ball-and-socket can be arranged on the second end of described connecting rod, and bulb can be arranged on slide block towards on the inclined-plane of diesel engine.
In the preferred implementation of above-mentioned flexible support, at least one in described 5th outer elastic component, described 5th inner elastic member, described 6th outer elastic component, described 6th inner elastic member, described 7th outer elastic component, described 7th inner elastic member, described 8th outer elastic component and described 8th inner elastic member is spring or rubber, the rigidity of described 5th inner elastic member is less than the rigidity of described 5th outer elastic component, the rigidity of described 6th inner elastic member is less than the rigidity of described 6th outer elastic component, the rigidity of described 7th inner elastic member is less than the rigidity of described 7th outer elastic component, and the rigidity of described 8th inner elastic member is less than the rigidity of described 8th outer elastic component, and described 5th outer elastic component and described 6th outer elastic component, the equal stiffness of described 7th outer elastic component and described 8th outer elastic component, and described 5th inner elastic member and described 6th inner elastic member, the equal stiffness of described 7th inner elastic member and described 8th inner elastic member.
Those skilled in the art it is easily understood that, when diesel engine is hung by flexible support of the present invention and remains on vehicle frame, for the flexible support bottom diesel engine, the weight of diesel engine is born primarily of outer elastic component, therefore, the rigidity of described outer elastic component sufficiently supports the weight of diesel engine, also needs to reserve enough strokes to the lower row amplitude of diesel engine of decaying simultaneously.So the rigidity of described outer elastic component must be greater than the rigidity of inner elastic member, design parameter then needs to set pointedly according to application.In addition, the equal stiffness of four outer elastic components and the equal stiffness of four inner elastic member, will contribute to making whole flexible support keep stable and coordinate.
In the preferred implementation of above-mentioned flexible support, described flexible support also comprises: be arranged on described first slide rail, second slide rail, at least one first assembly pulley above 3rd slide rail and the 4th slide rail, described first assembly pulley comprises and is fixed to the first fixed pulley on described vehicle frame and the second fixed pulley and the first cable be coiled in respectively on described first fixed pulley and described second fixed pulley and the second cable, one end of described first cable is connected to the top center of described diesel engine and its other end is connected to described first slide block, second slide block, the top of one in 3rd slide block and Four-slider, one end of described second cable is also connected to the top center of described diesel engine and its other end is connected to described first slide block, second slide block, another top in 3rd slide block and Four-slider, and described first fixed pulley and described second fixed pulley are positioned at the outside of respective slide in the horizontal direction, and/or at least one second assembly pulley be arranged on below described diesel engine, described second assembly pulley comprises and is fixed to the 3rd fixed pulley on described vehicle frame and the 4th fixed pulley and the 3rd cable be coiled in respectively on described 3rd fixed pulley and described 4th fixed pulley and the 4th cable, one end of described 3rd cable is connected to the bottom centre position of described diesel engine and its other end is connected to described first slide block, second slide block, the bottom of one in 3rd slide block and Four-slider, one end of described 4th cable is also connected to the bottom centre position of described diesel engine and its other end is connected to described first slide block, second slide block, another bottom in 3rd slide block and Four-slider, and described 3rd fixed pulley and the 4th fixed pulley are positioned at the inner side of respective slide in the horizontal direction.
Those skilled in the art are it is easily understood that the assembly pulley be arranged on above top slide rail contributes to the lower row amplitude suppressing diesel engine, and the assembly pulley be arranged on below diesel engine contributes to the upper row amplitude suppressing diesel engine.Specifically, when diesel engine is advanced downwards in vibration processes, it can cause top slide to be slided to the inside along slide rail, meanwhile, the descending elongated segmentum laterale of the medial segment of described top cable that causes again of diesel engine shortens thus causes slide block to slide laterally along slide rail, and therefore plays the effect suppressing diesel engine descending.Similarly, when diesel engine is upwards advanced in vibration processes, it can cause base slider to be slided laterally along slide rail, meanwhile, the descending elongated segmentum laterale of described cable medial segment that causes again of diesel engine shortens thus causes slide block to slide to the inside along slide rail, and therefore plays the effect suppressing diesel engine up.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of the diesel engine be provided with according to flexible support of the present invention.
Fig. 2 is the cutaway view of slide rail, slide block and elastic component according to flexible support of the present invention.
Fig. 3 looks closely enlarged drawing according to the slide rail of flexible support of the present invention and slide block.
Fig. 4 is the schematic side view of the diesel engine be provided with according to flexible support of the present invention.
Fig. 5 is the schematic side view of the diesel engine be provided with according to flexible support of the present invention, and this flexible support is provided with top pulleys group.
Fig. 6 is the schematic side view of the diesel engine be provided with according to flexible support of the present invention, and this flexible support is provided with bottom pulley group.
Detailed description of the invention
First consult Fig. 1, Fig. 1 is the schematic top plan view of the diesel engine 1 be provided with according to flexible support of the present invention.As shown in the figure, flexible support according to the present invention comprises the first slide rail 101, second slide rail 201, the 3rd slide rail 301 and the 4th slide rail 401.(not shown) on the vehicle frame that first slide rail 101, second slide rail 201, the 3rd slide rail 301 and the 4th slide rail 401 are respectively fixed to self-propelled vehicle, makes the line of centers of the first slide rail 101 and the centerline parallel of the 3rd slide rail 301 or conllinear and the centerline parallel of the line of centers of the second slide rail 201 and the 4th slide rail 401 or conllinear.As shown in Figure 1, the first slide rail 101, second slide rail 201, the 3rd slide rail 301 and the 4th slide rail 401 are hollow structures of closed at both ends.The first slide block 102, second slide block 202, the 3rd slide block 302 and Four-slider 402 is also comprised according to flexible support of the present invention.First slide block 102 is arranged in the first slide rail 101, the second slide block 202 is arranged in the second slide rail 201, the 3rd slide block 302 is arranged in the 3rd slide rail 301 and Four-slider 402 is arranged in the 4th slide rail 401.First connecting rod 103, second connecting rod 203, third connecting rod 303 and double leval jib 403 is also comprised according to flexible support of the present invention.On the angle that the first end of first connecting rod 103 is movably attached to the top of diesel engine 1 and its second end is movably attached on the first slide block 102, on another angle that the first end of second connecting rod 203 is movably attached to the top of diesel engine 1 and its second end is movably attached on the second slide block 202, on the 3rd angle that the first end of third connecting rod 303 is movably attached to the top of diesel engine 1 and its second end is movably attached on the 3rd slide block 302, on the 4th angle that the first end of double leval jib 403 is movably attached to the top of diesel engine 1 and its second end be movably attached on Four-slider 402.As shown in Figure 1, the point of connection that the point of connection that the first end of first connecting rod 103 and the drift angle of diesel engine 1 are flexibly connected is flexibly connected with the first end of third connecting rod 303 and the drift angle of diesel engine 1 is opposed, and the point of connection that the point of connection that the first end of second connecting rod 203 and the drift angle of diesel engine 1 are flexibly connected is flexibly connected with the first end of double leval jib 403 and the drift angle of diesel engine 1 is opposed.
In addition, also comprise the first outer elastic component 104 and the first inner elastic member 105, the second outer elastic component 204 and the second inner elastic member 205 be arranged in the second slide rail 201 be arranged in the first slide rail 101 according to flexible support of the present invention, be arranged on the 3rd outer elastic component 304 and the 3rd inner elastic member 305 in the 3rd slide rail 301 and be arranged on elastic component 404 and the 4th inner elastic member 405 outside the 4th in the 4th slide rail 401.For the sake of clarity, eliminate each elastic component in Fig. 1, it will be shown specifically in fig. 2.
Consult Fig. 2 below and continue to consult Fig. 1, Fig. 2 is the cutaway view of each slide rail, slide block and elastic component according to flexible support of the present invention.Specifically, Fig. 2 shows the first slide rail 101, second slide rail 201, the 3rd slide rail 301 and the 4th slide rail 401, first slide block 102, second slide block 202, the 3rd slide block 302 and Four-slider 402, and elastic component 404 and the 4th inner elastic member 405 outside the first outer elastic component 104 and the first inner elastic member 105, second outer elastic component 204 and the second inner elastic member 205, the 3rd outer elastic component 304 and the 3rd inner elastic member 305, the 4th.First slide block 102, first outer elastic component 104 and the first inner elastic member 105 are arranged in the first slide rail 101, second slide block 202, second outer elastic component 204 and the second inner elastic member 205 are arranged in the second slide rail 201,3rd slide block 302, the 3rd outer elastic component 304 and the 3rd inner elastic member 305 are arranged in the 3rd slide rail 301, and outside Four-slider 402, the 4th, elastic component 404 and the 4th inner elastic member 405 are arranged in the 4th slide rail 401.More specifically, first slide block 102 is between the first outer elastic component 104 and the first inner elastic member 105 and against these two elastic components, second slide block 202 is between the second outer elastic component 204 and the second inner elastic member 205 and against these two elastic components, 3rd slide block 302 between the 3rd outer elastic component 304 and the 3rd inner elastic member 305 and against these two elastic components, and Four-slider 402 outside the 4th between elastic component 404 and the 4th inner elastic member 405 and against these two elastic components.Preferably, outside first outer elastic component 104, first inner elastic member 105, second outer elastic component 204, second inner elastic member 205, the 3rd outer elastic component 304, the 3rd inner elastic member 305, the 4th in elastic component 404 and the 4th inner elastic member 405 any one or more or can be all spring or rubber, when being converted into the slip of slide block with the vertical motion of convenient diesel engine, described slip is decayed.More preferably, the rigidity of the first inner elastic member 105 is greater than the rigidity of the first outer elastic component 104, the rigidity of the second inner elastic member 205 is greater than the rigidity of the second outer elastic component 204, the rigidity of the 3rd inner elastic member 305 is greater than the rigidity of described 3rd outer elastic component 304, and the rigidity of the 4th inner elastic member 405 is greater than the rigidity of elastic component 404 outside the 4th.More preferably, the equal stiffness of elastic component 404 outside first outer elastic component 104 and the second outer elastic component 204, the 3rd outer elastic component 304 and the 4th, and the equal stiffness of the first inner elastic member 105 and the second inner elastic member 205, the 3rd inner elastic member 305 and the 4th inner elastic member 405.In addition, rigidity or the elastic force of the first inner elastic member 105, second inner elastic member 205, the 3rd inner elastic member 305 and the 4th inner elastic member 405 are arranged to, make when diesel engine 1 by flexible support is outstanding be held on vehicle frame time, first connecting rod 103, second connecting rod 203, third connecting rod 303 and the angle between double leval jib 403 and horizontal surface are less than or equal to 20 degree, preferably 18 degree.
Fig. 2 also show the part of the con-rod only of first connecting rod 103 and its second end 1032, the part of con-rod only of second connecting rod 203 and its second end 2032, a part for con-rod only for third connecting rod 303 and a part for the con-rod only of its second end 3032 and double leval jib 403 and its second end 4032.As being clear that in fig. 2, first connecting rod 103, second connecting rod 203, third connecting rod 303 are correspondingly connected with the first slide block 102, second slide block 202, the 3rd slide block 302 and Four-slider 402 bulb respectively with the second end of double leval jib 403.In addition, as being clear that in FIG, first connecting rod 103, second connecting rod 203, third connecting rod 303 are correspondingly connected with four corner-kick heads at the top of diesel engine 1 respectively with the first end of double leval jib 403.As shown in Figure 2, first slide block 102, second slide block 202, the bottom faces of the 3rd slide block 302 and Four-slider 402 is arranged to inclined-plane to the side of diesel engine, described inclined-plane preferably becomes miter angle with horizontal surface and is respectively arranged with ball-and-socket, first connecting rod 103 carries out bulb by the ball-and-socket on the bulb of its second end 1032 and the first slide block 102 with the first slide block 102 and is connected, second connecting rod 203 carries out bulb by the ball-and-socket on the bulb of its second end 2032 and the second slide block 202 with the second slide block 202 and is connected, third connecting rod 303 carries out bulb by the ball-and-socket on the bulb of its second end 3032 and the 3rd slide block 302 with the 3rd slide block 302 and is connected, and double leval jib 403 carries out bulb by the ball-and-socket on the bulb of its second end 4032 and Four-slider 402 with Four-slider 402 to be connected.Similarly, as shown in Figure 1, first connecting rod 103 is connected with diesel engine bulb by the ball-and-socket on bulb and diesel engine drift angle of its first end, second connecting rod 203 is connected with diesel engine bulb by the ball-and-socket on another drift angle of bulb and diesel engine of its first end, third connecting rod 303 is connected with diesel engine bulb by the ball-and-socket on bulb and diesel engine the 3rd drift angle of its first end, and double leval jib 403 is connected with diesel engine bulb by the ball-and-socket on bulb and diesel engine the 4th drift angle of its first end.Alternatively, the two ends of described connecting rod can arrange ball-and-socket, and the drift angle of described slide block or diesel engine can arrange bulb, also can form bulb in this way and connect.In addition, one skilled in the art will appreciate that above-mentioned to carry out that bulb is connected with bulb and ball-and-socket be only exemplary, flexible connection described in the invention can be the flexible connection of any other mode or structure.
Next consult Fig. 3, Fig. 3 looks closely enlarged drawing according to the slide rail of flexible support of the present invention and slide block.For the sake of clarity, the closed end of the first slide rail 101 is eliminated in Fig. 3 more clearly to show the cross sectional shape of slide rail 101 and slide block 102.As shown in Figure 3 and composition graphs 1, first slide rail 101 is linked together by two ends and cross section is U-shaped section bar forms.Although be depicted as separated from one another by described section bar in Fig. 3, as seen in Figure 1, the end of described section bar is connected to each other, and the first slide rail 101 therefore formed is the global facility that a top and bottom all have notch.In addition, as shown in Figure 3, the first slide block 102 comprises two parts, and a part is arranged in the inner tracks of the first slide rail 101, another part to reach below this track and is provided with ball-and-socket, for coordinating with the bulb on the second end 1032 of first connecting rod 103.Other three slide rails are identical with the structure of the first slide block 102 with the first slide rail 101 with slide block, thus repeat no more herein.
Then consult Fig. 4, this figure is the schematic side view of the diesel engine of the flexible support be provided with according to another implementation of the invention.Different from the embodiment of Fig. 1, the bottom of the diesel engine shown in Fig. 4 is also provided with the 5th slide rail, the 6th slide rail, the 7th slide rail and the 8th slide rail.5th slide rail to be fixed on described vehicle frame and to comprise the 5th outer elastic component 504 that is arranged on wherein and the 5th inner elastic member the 505, six slide rail and to be also fixed on described vehicle frame and to comprise the 6th outer elastic component 604 and the 6th inner elastic member 605 that are arranged on wherein.Similar with the 5th and the 6th slide rail, 7th slide rail to be also fixed on described vehicle frame and to comprise the 7th outer elastic component and the 7th inner elastic member that are arranged on wherein, and the 8th slide rail to be also fixed on described vehicle frame and to comprise the 8th outer elastic component and the 8th inner elastic member that are arranged on wherein.Flexible support shown in Fig. 4 also comprises the 5th slide block 502, the 6th slide block 602, the 7th slide block and the 8th slide block.5th slide block 502 to be arranged in the 5th slide rail and between the 5th outer elastic component 504 and the 5th inner elastic member 505 and against these two elastic components, 6th slide block 602 to be arranged in the 6th slide rail and between the 6th outer elastic component 604 and the 6th inner elastic member 605 and against these two elastic components, 7th slide block to be arranged in the 7th slide rail and between the 7th outer elastic component and the 7th inner elastic member and against these two elastic components, 8th slide block to be arranged in the 8th slide rail and between the 8th outer elastic component and the 8th inner elastic member and against these two elastic components.
Flexible support shown in Fig. 4 also comprises the 5th connecting rod 503, six-bar linkage 603, seven-link assembly and the 8th connecting rod.The first end of the 5th connecting rod 503 is movably attached to the bottom of described diesel engine and its second end is movably attached on the 5th slide block 502, and the first end of six-bar linkage 603 is movably attached to the bottom of described diesel engine and its second end is movably attached on the 6th slide block 602.Similarly, the first end of seven-link assembly is movably attached to the bottom of described diesel engine and its second end is movably attached on the 7th slide block, and the first end of the 8th connecting rod is movably attached to the bottom of described diesel engine and its second end is movably attached on the 8th slide block.In addition, the line of centers of the 5th slide rail and the centerline parallel of the 7th slide rail or conllinear and the centerline parallel of the line of centers of the 6th slide rail and the 8th slide rail or conllinear, make described diesel engine be held on described vehicle frame by described flexible support is outstanding.About this point, " outstanding hold " that it is pointed out that in the application refers to and hangs and support, diesel engine is suspended on vehicle frame by the connecting rod sliding track mechanism meaning diesel engine top, and connecting rod sliding track mechanism bottom diesel engine is by diesel engine support/be supported on vehicle frame.Moreover, because Fig. 4 is lateral plan, therefore 3rd, the 4th, the 7th and the 8th slide rail, connecting rod and slide block are not wherein shown, but those skilled in the art it is understood that described 3rd, the 4th, the 7th and the 8th slide rail, connecting rod and slide block have respectively with first, second, the 5th and the 6th slide rail, connecting rod and slide block symmetrical structure.
Similar with top mechanism, at least one in described 5th outer elastic component 504, described 5th inner elastic member 505, described 6th outer elastic component 604, described 6th inner elastic member 605, described 7th outer elastic component, described 7th inner elastic member, described 8th outer elastic component and described 8th inner elastic member is spring or rubber.In addition, the rigidity of described 5th inner elastic member 505 is less than the rigidity of described 5th outer elastic component 504, the rigidity of described 6th inner elastic member 605 is less than the rigidity of described 6th outer elastic component 604, the rigidity of described 7th inner elastic member is less than the rigidity of described 7th outer elastic component, and the rigidity of described 8th inner elastic member is less than the rigidity of described 8th outer elastic component, to support the weight of described diesel engine.And, same and top mechanism is similar, the equal stiffness of described 5th outer elastic component 504 and described 6th outer elastic component 604, described 7th outer elastic component and described 8th outer elastic component, and the equal stiffness of described 5th inner elastic member 505 and described 6th inner elastic member 605, described 7th inner elastic member and described 8th inner elastic member.
Fig. 5 is the schematic side view of the diesel engine be provided with according to flexible support of the present invention, and this flexible support is provided with the first top pulleys group.As shown in Figure 5, this assembly pulley is arranged on the top of the first slide rail 101, second slide rail 201, the 3rd slide rail 301 and the 4th slide rail 401.Described first assembly pulley comprises the first cable 3 and the second cable 5 being fixed to the first fixed pulley 2 on vehicle frame and the second fixed pulley 4 and being coiled in respectively on described first fixed pulley 2 and described second fixed pulley 4.One end of described first cable 3 is connected to the top center of described diesel engine 1 and its other end is connected to the top of described first slide block 102.One end of described second cable 5 is also connected to the top center of described diesel engine 1 and its other end is connected to the top of described second slide block 202, and described first fixed pulley 2 and described second fixed pulley 4 lay respectively at the outside of the first slide block 102 and the second slide block 202 in the horizontal direction.More specifically, according to the direction shown in Fig. 5, described first fixed pulley 2 more should be kept right than the first slide block 102, and described second fixed pulley 4 more should keep left than the second slide block 202.In addition, although the other end of the first cable 3 shown in Fig. 5 and the second cable 5 is connected respectively to the top of the first slide block 102 and the second slide block 202, but this is not restrictive, the other end of described first cable 3 and the second cable 5 can be connected in any one in first, second, third and fourth slide block, as long as described first assembly pulley effectively can limit the lower row amplitude of diesel engine in vibration processes.Most preferably, the mode that described first cable 3 should adopt diagonal angle to be connected with the second cable 5, that is, when the other end of the first cable 3 is connected to the top of the first slide block 102, the other end of the second cable 5 should be connected to the top of the 3rd slide block 302; When the other end of the second cable 5 is connected to the top of the second slide block 202, the other end of the first cable 3 should be connected to the top of Four-slider 402.From this angle, shown in Fig. 5 is not optimum embodiment of the present invention.
Fig. 6 is the schematic side view of the diesel engine be provided with according to flexible support of the present invention, and this flexible support is provided with the second bottom pulley group.As shown in Figure 5, this second assembly pulley is arranged on the below of described diesel engine 1.Described second assembly pulley comprises and is fixed to the 3rd fixed pulley 6 on vehicle frame and the 4th fixed pulley 8 and the 3rd cable 7 be coiled in respectively on described 3rd fixed pulley 6 and described 4th fixed pulley 8 and the 4th cable 9.One end of described 3rd cable 7 is connected to the bottom centre position of described diesel engine 1 and its other end is connected to the bottom of described first slide block 102, one end of described 4th cable 9 is also connected to the bottom centre position of described diesel engine 1 and its other end is connected to the bottom of described second slide block 202, and described 3rd fixed pulley 6 and the 4th fixed pulley 8 lay respectively at the inner side of the first slide block 102 and the second slide block 202 in the horizontal direction.Similar with the embodiment of Fig. 5, according to the direction shown in Fig. 6, described 3rd fixed pulley 6 more should keep left than the first slide block 102, and described 4th fixed pulley 8 more should be kept right than the second slide block 202.In addition, although the other end of the 3rd cable 7 shown in Fig. 6 and the 4th cable 9 is connected respectively to the bottom of the first slide block 102 and the second slide block 202, but this is not restrictive, the other end of described 3rd cable 7 and the 4th cable 9 can be connected to the bottom of any one in first, second, third and fourth slide block, as long as described second assembly pulley effectively can limit the upper row amplitude of diesel engine in vibration processes.Most preferably, the mode that described 3rd cable 7 should adopt diagonal angle to be connected with the 4th cable 9, that is, when the other end of the 3rd cable 7 is connected to the bottom of the first slide block 102, the other end of the 4th cable 9 should be connected to the bottom of the 3rd slide block 302; When the other end of the 4th cable 9 is connected to the bottom of the second slide block 202, the other end of the 3rd cable 7 should be connected to the bottom of Four-slider 402.From this angle, shown in Fig. 6 neither optimum embodiment of the present invention.
Those skilled in the art are it is easily understood that the assembly pulley shown in Fig. 5 and 6 all describes in conjunction with top links sliding track mechanism, but this is not restrictive, and described first and second assembly pulleys also can be combined with bottom linkage rod sliding track mechanism.In addition, the first and second assembly pulleys shown in Fig. 5 and 6 can be incorporated in same embodiment, that is, arrange the first and second assembly pulleys to limit the vertical motion of diesel engine simultaneously.
So far, shown by reference to the accompanying drawings preferred implementation describes technical scheme of the present invention, but those skilled in the art are it is easily understood that protection scope of the present invention is obviously not limited to these detailed description of the invention.Under the prerequisite not departing from principle of the present invention, those skilled in the art can make equivalent change or replacement to correlation technique feature, and these changes or the technical scheme after replacing it all will fall within protection scope of the present invention.
Claims (8)
1., for a flexible support for diesel engine, it is characterized in that comprising:
First slide rail, second slide rail, 3rd slide rail and the 4th slide rail, the vehicle frame that described first slide rail is fixed to self-propelled vehicle comprises the first outer elastic component and the first inner elastic member that are arranged on wherein, described second slide rail to be also fixed on described vehicle frame and to comprise the second outer elastic component and the second inner elastic member that are arranged on wherein, described 3rd slide rail to be also fixed on described vehicle frame and to comprise the 3rd outer elastic component and the 3rd inner elastic member that are arranged on wherein, described 4th slide rail to be also fixed on described vehicle frame and comprise be arranged on wherein the 4th outside elastic component and the 4th inner elastic member,
First slide block, second slide block, 3rd slide block and Four-slider, described first slide block to be arranged in described first slide rail and between described first outer elastic component and described first inner elastic member and against these two elastic components, described second slide block to be arranged in described second slide rail and between described second outer elastic component and described second inner elastic member and against these two elastic components, described 3rd slide block to be arranged in described 3rd slide rail and between described 3rd outer elastic component and described 3rd inner elastic member and against these two elastic components, described Four-slider to be arranged in described 4th slide rail and between elastic component and described 4th inner elastic member and against these two elastic components outside the described 4th, and
First connecting rod, second connecting rod, third connecting rod and double leval jib, the first end of described first connecting rod is movably attached to the top of described diesel engine and its second end is movably attached on described first slide block, the first end of described second connecting rod is movably attached to the top of described diesel engine and its second end is movably attached on described second slide block, the first end of described third connecting rod is movably attached to the top of described diesel engine and its second end is movably attached on described 3rd slide block, the first end of described double leval jib is movably attached to the top of described diesel engine and its second end is movably attached on described Four-slider, the first end of the first end of the described first connecting rod point of connection on the top of described diesel engine and described third connecting rod is opposed at the point of connection on the top of described diesel engine, the first end of the first end of the described second connecting rod point of connection on the top of described diesel engine and described double leval jib is opposed at the point of connection on the top of described diesel engine,
The line of centers of wherein said first slide rail and the centerline parallel of described 3rd slide rail or conllinear and the centerline parallel of the line of centers of described second slide rail and described 4th slide rail or conllinear, make described diesel engine be suspended on described vehicle frame by described flexible support,
At least one outside wherein said first outer elastic component, described first inner elastic member, described second outer elastic component, described second inner elastic member, described 3rd outer elastic component, described 3rd inner elastic member, the described 4th in elastic component and described 4th inner elastic member is spring or rubber, and
Wherein said flexible support also comprises:
5th slide rail, 6th slide rail, 7th slide rail and the 8th slide rail, described 5th slide rail to be fixed on described vehicle frame and to comprise the 5th outer elastic component and the 5th inner elastic member that are arranged on wherein, described 6th slide rail to be also fixed on described vehicle frame and to comprise the 6th outer elastic component and the 6th inner elastic member that are arranged on wherein, described 7th slide rail to be also fixed on described vehicle frame and to comprise the 7th outer elastic component and the 7th inner elastic member that are arranged on wherein, described 8th slide rail to be also fixed on described vehicle frame and to comprise the 8th outer elastic component and the 8th inner elastic member that are arranged on wherein,
5th slide block, 6th slide block, 7th slide block and the 8th slide block, described 5th slide block to be arranged in described 5th slide rail and between described 5th outer elastic component and described 5th inner elastic member and against these two elastic components, described 6th slide block to be arranged in described 6th slide rail and between described 6th outer elastic component and described 6th inner elastic member and against these two elastic components, described 7th slide block to be arranged in described 7th slide rail and between described 7th outer elastic component and described 7th inner elastic member and against these two elastic components, described 8th slide block to be arranged in described 8th slide rail and between described 8th outer elastic component and described 8th inner elastic member and against these two elastic components, and
5th connecting rod, six-bar linkage, seven-link assembly and the 8th connecting rod, the first end of described 5th connecting rod is movably attached to the bottom of described diesel engine and its second end is movably attached on described 5th slide block, the first end of described six-bar linkage is movably attached to the bottom of described diesel engine and its second end is movably attached on described 6th slide block, the first end of described seven-link assembly is movably attached to the bottom of described diesel engine and its second end is movably attached on described 7th slide block, the first end of described 8th connecting rod is movably attached to the bottom of described diesel engine and its second end is movably attached on described 8th slide block,
The line of centers of wherein said 5th slide rail and the centerline parallel of described 7th slide rail or conllinear and the centerline parallel of the line of centers of described 6th slide rail and described 8th slide rail or conllinear, make described diesel engine be held on described vehicle frame by described flexible support is outstanding.
2. flexible support according to claim 1, it is characterized in that, the rigidity of described first inner elastic member is greater than the rigidity of described first outer elastic component, the rigidity of described second inner elastic member is greater than the rigidity of described second outer elastic component, the rigidity of described 3rd inner elastic member is greater than the rigidity of described 3rd outer elastic component, and the rigidity of described 4th inner elastic member is greater than the rigidity of elastic component outside the described 4th, and
The equal stiffness of elastic component outside described first outer elastic component and described second outer elastic component, described 3rd outer elastic component and the described 4th, and the equal stiffness of described first inner elastic member and described second inner elastic member, described 3rd inner elastic member and described 4th inner elastic member.
3. flexible support according to claim 2, it is characterized in that, elastic force or the rigidity of described first inner elastic member, described second inner elastic member, described 3rd inner elastic member and described 4th inner elastic member are arranged to, make when described diesel engine is suspended on described vehicle frame by described flexible support, described first connecting rod, second connecting rod, the angle of third connecting rod and between double leval jib and horizontal surface are less than or equal to 20 degree.
4. flexible support according to claim 1, it is characterized in that, described first connecting rod, second connecting rod, third connecting rod and the flexible connection between double leval jib and the top of described diesel engine and described first connecting rod, second connecting rod, third connecting rod and double leval jib are all that bulb is connected with described first slide block, the flexible connection of the second slide block, the 3rd between slide block and Four-slider.
5. flexible support according to claim 4, it is characterized in that, the first end of described first connecting rod, second connecting rod, third connecting rod and double leval jib is provided with bulb, four angles at the top of the body of described diesel engine are respectively arranged with ball-and-socket, and described bulb is correspondingly arranged in described ball-and-socket respectively in assembled state.
6. flexible support according to claim 5, it is characterized in that, second end of described first connecting rod, second connecting rod, third connecting rod and double leval jib is also provided with bulb, described first slide block, the second slide block, the 3rd slide block and Four-slider on the inclined-plane of described diesel engine, be respectively arranged with ball-and-socket, described bulb is correspondingly arranged in described ball-and-socket respectively in assembled state.
7. flexible support according to claim 1, it is characterized in that, at least one in described 5th outer elastic component, described 5th inner elastic member, described 6th outer elastic component, described 6th inner elastic member, described 7th outer elastic component, described 7th inner elastic member, described 8th outer elastic component and described 8th inner elastic member is spring or rubber
The rigidity of described 5th inner elastic member is less than the rigidity of described 5th outer elastic component, the rigidity of described 6th inner elastic member is less than the rigidity of described 6th outer elastic component, the rigidity of described 7th inner elastic member is less than the rigidity of described 7th outer elastic component, and the rigidity of described 8th inner elastic member is less than the rigidity of described 8th outer elastic component, and
The equal stiffness of described 5th outer elastic component and described 6th outer elastic component, described 7th outer elastic component and described 8th outer elastic component, and the equal stiffness of described 5th inner elastic member and described 6th inner elastic member, described 7th inner elastic member and described 8th inner elastic member.
8. flexible support according to claim 1, characterized by further comprising:
Be arranged on described first slide rail, second slide rail, at least one first assembly pulley above 3rd slide rail and the 4th slide rail, described first assembly pulley comprises and is fixed to the first fixed pulley on described vehicle frame and the second fixed pulley and the first cable be coiled in respectively on described first fixed pulley and described second fixed pulley and the second cable, one end of described first cable is connected to the top center of described diesel engine and its other end is connected to described first slide block, second slide block, the top of one in 3rd slide block and Four-slider, one end of described second cable is also connected to the top center of described diesel engine and its other end is connected to described first slide block, second slide block, another top in 3rd slide block and Four-slider, and described first fixed pulley and described second fixed pulley are positioned at the outside of respective slide in the horizontal direction, and/or
Be arranged at least one second assembly pulley below described diesel engine, described second assembly pulley comprises and is fixed to the 3rd fixed pulley on described vehicle frame and the 4th fixed pulley and the 3rd cable be coiled in respectively on described 3rd fixed pulley and described 4th fixed pulley and the 4th cable, one end of described 3rd cable is connected to the bottom centre position of described diesel engine and its other end is connected to described first slide block, second slide block, the bottom of one in 3rd slide block and Four-slider, one end of described 4th cable is also connected to the bottom centre position of described diesel engine and its other end is connected to described first slide block, second slide block, another bottom in 3rd slide block and Four-slider, and described 3rd fixed pulley and the 4th fixed pulley are positioned at the inner side of respective slide in the horizontal direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410795486.2A CN104527394B (en) | 2014-12-19 | 2014-12-19 | Flexible support for diesel engine |
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| CN201410795486.2A CN104527394B (en) | 2014-12-19 | 2014-12-19 | Flexible support for diesel engine |
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| CN104527394A true CN104527394A (en) | 2015-04-22 |
| CN104527394B CN104527394B (en) | 2017-12-01 |
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| CN104527395A (en) * | 2014-12-19 | 2015-04-22 | 河北工程大学 | Vibration reduction device used for internal combustion engine |
| CN204383154U (en) * | 2014-12-19 | 2015-06-10 | 河北工程大学 | For the flexible support of diesel engine |
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| DE3402100A1 (en) * | 1984-01-21 | 1985-08-01 | Volkswagenwerk Ag, 3180 Wolfsburg | Vibration-isolating bearing arrangement for a vehicle drive unit |
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| CN101718322A (en) * | 2010-01-29 | 2010-06-02 | 重庆隆鑫机车有限公司 | Flexible hanging device of engine |
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| CN204383154U (en) * | 2014-12-19 | 2015-06-10 | 河北工程大学 | For the flexible support of diesel engine |
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| CN104527394B (en) | 2017-12-01 |
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